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VX ConnectBot: Open Source SSH Client for Android Devices

VX ConnectBot was published on Google Play in December, 2011 and enjoys now more than 10,000 active device installs. It receives a 4+ star rating from its users. One of the typical tasks of a BSD or Linux systems administrator is to be able to be able to remotely monitor and access systems while on the road. The remote access is usually performed using a terminal application and the SSH protocol. A device is required to perform these tasks and a notebook is not something to carry with all the time. Instead you can make a good use of your smartphone.

Installing Xfce Desktop Environment on OpenBSD 5.1

This article is intended for beginners wanting to install and run a desktop environment on OpenBSD. Anyone with a little time on their hands can have a cool desktop environment installed on OpenBSD 5.1. Here we will be installing Xfce 4.8, a free lightweight desktop environment which is fast, low on system resources and best of all visually appealing and easy to use.

Browse the Internet Differently

In this article we will discuss xombrero (formerly xxxterm), an easy-to-use internet browser that focuses on security, privacy and minimalism. We will see how to configure it with different use cases and learn some of this browser’s useful vi-style commands.

FreeBSD Enterprise Search with Apache Solr (Part 2)

The key to a powerful and efficient search is indexing, interpretation and presentation. The first generation of search engines presented the user with a text field, and literally searched for that exact term. With the evolution of advanced search techniques the possibility of fulfilling this dream comes closer. How to set up synonyms, stemming and the data handler to extract data from a MySQL database.

PostgreSQL: Indexes (Part 1)

In this article readers will learn the kind of indexes that are available in PostgreSQL and how they can be defined on existing data. Moreover, readers will learn how to check the efficacy of indexes, an essential topic for improving query performance. All the examples shown here have been tested on a PostgreSQL 9.1 cluster running on a FreeBSD 8.2-RELEASE machine; all source code examples are available in a GitHub repository.

Unix IPC with FIFOs

FIFOs were developed to overcome the limitation of pipes. Pipes use the syscalls pipe() and fork() to set up IPC between processes, and their use is therefore limited to process having a common ancestor. FIFOs have a name in the file system namespace. They are therefore accessible to any process which knows the name of the FIFO in the filesystem. I/O operations on FIFOs use most of the same commands/functions which are used for I/O on regular files. Learn more about what FIFOs are and how processes use FIFOs.

Capture Session Data with Argus on FreeBSD

In this article we will explore the use of Argus, a powerful network auditing tool that helps you understand and take control of your network. We will briefly explain four different methods of network auditing, then install Argus on FreeBSD, talk about the tools provided with Argus and show some examples of its use in the real world.

Securing Your Family with pfSense and IPSec

As the family tech guy, they started to call me more and more for removing viruses and botnet infections. I fixed this by installing pfSense boxes as their primary Internet gateway. This gave them a more secure Internet connection and me some remote pfSense boxes to play with. All firewalls are connected via IPsec tunnels for remote management of the firewall and remote management of their home networks. Read here about my experience in the matter.

Installation and Setup of the Halon Virtual Security Router

Halon offers the software to run the VSR on your own hardware (physical or virtual), as well as a hardware appliance. I have been looking for a router/firewall solution for my home network for the last few months, so when an opportunity to try the Halon Virtual Security Router (VSR) came about, I jumped at it.

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